investment steel Pump casting 1.Material:ASTM A743,grade CN7M 2.Used in pump industry 3.Inspection by Dye pentetrant Product detailsWe are a supplier of quality metal castings and our businessis to manufacture castings according to the customer's requirement,drawings or samples. 1)Material:Stainless steel,Alloy steel,High Nickel and Chromium steel,Carbon steel,Special material as customer's ...